Connecting Protection Relay With A Test Switch; Connecting Binary Signals - ABB 620 series ANSI Installation Manual

Section 5
Connecting
5.4.3
5.5
46
GUID-D278D8D6-1F13-4AC7-95B8-14DA822F8491 V1 EN
Figure 36: Example of RTD0003 card variant, 6 RTD + 2 mA

Connecting protection relay with a test switch

• When the protection relay is used with a test switch, connect the current and voltage
transformers directly to the switch.

Connecting binary signals

• Connect the wires for the binary signals to the correct device according to the
connection diagram. Each terminal for binary input and output signal is dimensioned
for one 14 or 16 Gauge wire.
See the specific card variant from the application manual.
1MAC457436-IB B
620 series ANSI
Installation Manual